The Librem 13 and Librem 15 products can be purchased today and will arrive with the Management Engine disabled by default, and it can be verified to be disabled with the source code released to confirm the disablement is accurate.

Still, keeping your laptop up to date with the latest Coreboot version is not to be neglected

Please re-download the build script and re-run it. The 4.7-Purism-3 version should fix the sudden shutdowns.
A quick summary :
The FSP 1.1 (previous version) allowed temperatures to increase slowly (over dozens of seconds) when we stress test the CPU
The FSP 2.0 (current version) seems to cause the CPU temperature to go from cold to 100C within a few milliseconds!
The TCC (Thermal Control Circuit) which regulates the frequency/voltage/temperature (or whatever it does…) gets activated at 100C
T…